![](/images/new-backgrounds/1190602/19060229x1.webp)
Leave the In port on the right ESM board on the first storage expansion enclosure in storage expansion enclosure group 2 and the Out (upper) port on drive mini hub 1 unoccupied.
Input Output Input Output
New DS4000 drive enclosure
Last DS4000 drive enclosure
Storage Expansion
Enclosures - Group 1
First DS4000 drive enclosure
Drive Loop A
Drive Loop B
DS4500 Storage
Subsystem
Drive Loop C
ESMs
Drive Loop D
First DS4000 drive enclosure
Storage Expansion
Enclosures - Group 2
Last DS4000 drive
enclosure | ds454min |
|
Figure 16. Connecting two redundant storage expansion enclosure groups
15